Internet

The Internet is a global system  connecting millions of computer networks. More than 100 countries are linked through internet. According to Internet World Stats,  as of 2011 more than 2.2 billion people , nearly a third of Earth's Human population ,used the services of the Internet.
The Internet is a global system that use the standard Internet protocol suite (often called TCP/IP) to serve billions of users. It is a network of networks that consists of millions of private, public, business, government, academic, and even smaller domestic networks, that are linked.
 Anyone can use the Internet. As long as you have a computer, cell phone, or other internet-enabled device, you simply find a free or paid place to connect to the Internet. Once you are connected (sometimes called 'logged on'), you can broadcast and receive all kinds of signals.

Owner of the Internet?

No one actually owns the Internet, and no single person or organization controls the Internet in its entirety. The Internet is more of a concept than an actual tangible entity, and it relies on a physical infrastructure that connects networks to other networks.
 

Is Web and Internet the Same?

The Internet is not synonymous with Web. The Internet is a global  system of networks. It links millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. The World Wide Web (Web) , is a way of accessing information over the medium of the Internet.The  Web consists of the interlinked collection of the information and documents which are taken as the resource by the general public. These are then linked by the website URLs and the hyperlinks. Actually Therefore it  is one of the services offered by internet.